of（为确认...,为证实...）; A letter of confirmation（确认函或确认书）
To have the pleasure to do; To have the pleasure of doing;
To have pleasure to do; to have pleasure in (of) doing; To
take (a) pleasure in doing (something); To take pleasure in
doing (something); To be pleased to (with)(by); to be
delighted at (in)(with); To be glad to (of)(about); To be
rejoiced in (at).
（14）迅速，立刻 Urgently; Promptly; Immediately; With all
speed; At once; With dispatch; With all despatch; With the
quickest possible despatch; With the least possible delay; As
soon as possible; As quickly as possible; As promptly as
possible; At one''s earliest convenience; At the earliest
possible moment; At an early date; Without delay; Without loss
of time; Immediately on receipt of this letter; By express
messenger; By Special messenger; By special delivery; By
（15）回信 By return; By return of post; By return of mail;
By return of air-mail.
（16）依照 According to; Agreeably to; Conformably to;
pursuant to; In accordance with; In conformity with (to); In
obedience to; In deference to; In compliance with; In
agreement with; In pursuance of.
About; Regarding; Concerning; As to; As regards; With
regard to; In regard to;(of); Respecting; Relative to; Anent;
In connection with; Referring to; With reference to; In
reference to; Re.
To be due; To fall due (become) due（日期将到）; Duly（正时，及时）；In
due Course （依照顺序）.
Per(=by, through) rail.(post,mail,steamer)（通过铁路，邮政，轮船）
Per pro.= by proxy （由代理） Per annum （=yearly，每年） Per
mensem (=monthly,每月) Per diem [daiem] (=daily,每日) Per
man, per capital (=per head,依照人数，每一人） Per piece （每一个，每一件）
To take the liberty of doing something; To take the
liberty to do something; To take the liberty in doing
To regret; To be sorry; To be chagrined; To be mortified;
To be vexed; To regret to say; To be sorry to say; To one''s
regret; To feel a great regret for; To express regret; To be
regretted; To be a matter for regret; To be regrettable; To be
To have the honour of doing (being); To have the honour to
do (be); To do one (oneself) the honour of doing (being); To
esteem (regard) it as a high honour to do (be); To appreciate
the honour to do (be); To feel honoured to do (be); To owe one
a debt of honour to do (be); To be honoured with doing (being)
something; To honour one with doing (being) something.
Please; Kindly; be good enough; Be kind enough; Have the
To thank; To be (feel) thankful; To be (feel) grateful; To
be obliged; To be indebted; To esteem (it) a favour
(privilege); To give (tender, return) one''s thanks; To
express one''s gratitude (appreciation); To tender one''s
sincere thanks for; To be overwhelmed with gratitude.
(Noun)（请吩咐） Command; Order; Service (Verb)（服务） To
command; To order; To serve; To be at one''s service; To
render service to one; To do one a service; To be of service
to one. 外贸函电：回复查询报价
Dear Mr. Jones:
Thank you for your inquiry of 16 March. We are pleased to hear that you are interested in our product "toaster".
We've enclosed the photo and detailed information of the product for your reference:
For purchase quantities over 1,000pcs of individual items we would allow you a discount of 1%. Payment is to be made by irrevocable L.C at sight.
We look forward to receiving your first order.
Dear Mr. Jones:
Thank you for your enquiry of 12 March cate 9 cable.
We appreciate your efforts in marketing our products and regret very much that we are unable to supply the desired goods due to excessive demand.
We would, however, like to take this opportunity to offer the following material as a close substitute: